What is the shape of the skin cells whose function is protection?

A. Cube like with cilia
B.flat and in layers
C.spherical and fluid-filled
D. Longcolumns in a single layer

The shape of skin cells that are specifically designed for protection is typically flat and in layers. These cells are known as squamous cells. To arrive at this answer, it is important to understand the function of skin cells and how they are structured.

To determine the shape of skin cells that serve a protective function, one can consider the structure and composition of the skin itself. The outermost layer of the skin, known as the epidermis, consists of multiple layers of cells. The outermost layer of the epidermis is composed of flat, scale-like cells called squamous cells. These cells are arranged in a closely packed, layered formation, overlapping like roof tiles or fish scales.

The flat shape of squamous cells allows for efficient coverage and protection against external threats such as pathogens, environmental factors, and UV radiation. This shape helps to create a strong, cohesive barrier that prevents these harmful elements from entering the body.

Therefore, the correct answer is B: flat and in layers.